ABC三人从山上往山下运9个箱子,每人可同时拿2个箱子,下山速度各位2米,4米,6米每秒,上山速度减半,路程1000米,最快如何到达?
转贴超超难的题 (之二)
所有跟帖:
• 694.444s -passenger101- ♂ (609 bytes) () 10/15/2008 postreply 06:51:44
• correction -passenger101- ♂ (31 bytes) () 10/15/2008 postreply 06:53:58
ABC三人从山上往山下运9个箱子,每人可同时拿2个箱子,下山速度各位2米,4米,6米每秒,上山速度减半,路程1000米,最快如何到达?
• 694.444s -passenger101- ♂ (609 bytes) () 10/15/2008 postreply 06:51:44
• correction -passenger101- ♂ (31 bytes) () 10/15/2008 postreply 06:53:58
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